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Finding the Fourth Proportional to 68,053.62, 102,080.43 and 52,493.94

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Solution

The fourth proportional to 68,053.62, 102,080.43 and 52,493.94 is: 78,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,053.62 : 102,080.43 = 52,493.94 : x
  2. Step 2: Convert to fraction form
    68,053.62/102,080.43 = 52,493.94/x
  3. Step 3: Cross multiply
    68,053.62x = 102,080.43 × 52,493.94
  4. Step 4: Simplify right side
    68,053.62x = 5,358,603,967.59
  5. Step 5: Solve for x
    x = 5,358,603,967.59/68,053.62
  6. Step 6: Final answer
    x = 78,740.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.